Intel Xeon E3 1545M v5 's Advantages
Higher base frequency (2.9GHz vs 2.2GHz)
Lower TDP (45W vs 205W)
Intel Xeon Gold 5520 's Advantages
Released 7 years and 11 months late
Higher specification of memory (4800 vs 2133)
Newer PCIe version (5 vs 3)
Larger L3 cache size (52.5MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)